/*--------------------------------------------------|

| dTree 2.05 | www.destroydrop.com/javascript/tree/ |

|---------------------------------------------------|

| Copyright (c) 2002-2003 Geir Landr?              |

|                                                   |

| This script can be used freely as long as all     |

| copyright messages are intact.                    |

|                                                   |

| Updated: 17.04.2003                               |

|--------------------------------------------------*/



// Node object

function Node(id, pid, name, url, title, target, icon, iconOpen, open,code,isParent,hasRead) {

	this.id = id;

	this.pid = pid;
	
	this.code=code;//node value

	this.name = name;//html text

	this.url = url;

	this.title = title;

	this.target = target;

	this.icon = icon;

	this.iconOpen = iconOpen;

	this._io = open ;

	this._is = false;

	this._ls = false;

	this._hc = false;

	this._ai = 0;

	this._p;
	this.hasRead=hasRead==1;
	this.inited=false;
	this.isParent=isParent==1;
	this._ol=false;

};



// Tree object

function dTree(objName,object_id,is_ajax,ajax_default,ajax_url,divAllID,min_height) {

	this.config = {

		target					: null,

		folderLinks			: true,

		useSelection		: true,

		useCookies			: true,

		useLines				: true,

		useIcons				: true,

		useStatusText		: false,

		closeSameLevel	: false,

		inOrder					: false

	}
 
	this.icon = {

		root				: SerUrl+'themes/skin-1'+FVersion+'/images/base.gif',

		folder: SerUrl + 'themes/skin-1' + FVersion + '/images/folder.gif',

		folderOpen: SerUrl + 'themes/skin-1' + FVersion + '/images/folderopen.gif',

		node: SerUrl + 'themes/skin-1' + FVersion + '/images/page.gif',

		empty: SerUrl + 'themes/skin-1' + FVersion + '/images/empty.gif',

		line: SerUrl + 'themes/skin-1' + FVersion + '/images/lineTree.gif',

		join: SerUrl + 'themes/skin-1' + FVersion + '/images/join.gif',

		joinBottom: SerUrl + 'themes/skin-1' + FVersion + '/images/joinbottom.gif',

		plus: SerUrl + 'themes/skin-1' + FVersion + '/images/plus.gif',

		plusBottom: SerUrl + 'themes/skin-1' + FVersion + '/images/plusbottom.gif',

		minus: SerUrl + 'themes/skin-1' + FVersion + '/images/minus.gif',

		minusBottom: SerUrl + 'themes/skin-1' + FVersion + '/images/minusbottom.gif',

		nlPlus: SerUrl + 'themes/skin-1' + FVersion + '/images/nolines_plus.gif',

		nlMinus: SerUrl + 'themes/skin-1' + FVersion + '/images/nolines_minus.gif'

	};

	this.obj = objName;

	this.aNodes = [];

	this.aIndent = [];

	this.root = new Node(-1);

	this.selectedNode = null;

	this.selectedFound = false;
    
	this.completed = false;
	this.object_id=object_id;
	this.is_ajax=is_ajax;
	this.ajax_default=ajax_default;
	this.ajax_url=ajax_url;
	this.divAllID = divAllID;
	if (min_height != null && min_height > 0) {
	    this.min_height = min_height;
	}
	if(is_ajax)
	{
	   SetGetAllStyle(this.obj,this.divAllID,false);
	   
	    a(object_id,ajax_default,'',"get",EndInitTree,true,this); 
	    
	}
	else
	{
	    SetGetAllStyle(this.obj,this.divAllID,true);
	}

};

//fecth the init fold
function EndInitTree(content,objId,args)
{
    var js=eval(content);
    var idIndex=0;
    for(var i=0;i<js.length;i++)
    {
        if(i==0)
            args.add(idIndex,-1,js[i].name,js[i].url,js[i].title,null,null,null,null,js[i].code,js[i].isParent,js[i].hasRead);
        else
        {
            args.add(idIndex,0,js[i].name,js[i].url,js[i].title,null,null,null,null,js[i].code,js[i].isParent,js[i].hasRead);
            idIndex++;               
        }
        idIndex++;
    }       
    document.getElementById(objId).innerHTML=args.toString();
    SetGetAllStyle(args.obj,args.divAllID,true);
    for(var i=0;i<args.aNodes.length;i++)
    {
        if(args.is_ajax && args.aNodes[i].id!=0 && args.aNodes[i]._io==true && args.aNodes[i].hasRead==false)
        {
            args.aNodes[i].hasRead=true;
            a(args.object_id,args.ajax_url+"&folder="+args.aNodes[i].code,'',"get",EndGetTree,true,[args,args.aNodes[i].id]);
            break;
        }
    }
};


// Adds a new node to the node array
dTree.prototype.add = function(id, pid, name, url, title, target, icon, iconOpen, open,code,isParent,hasRead) {
    this.completed=false;	
	if(this.aNodes.length>0)this.aNodes[this.aNodes.length-1]._ls=false;
	this.aNodes[this.aNodes.length] = new Node(id, pid, name, url, title, target, icon, iconOpen, open,code,isParent,hasRead);
    if(isParent&&!hasRead)
        this.aNodes[this.aNodes.length]=new Node(id+1,id,"<span class='dtree_loading'>&nbsp;&nbsp;&nbsp;</span>",'loading','',null,null,null,null,null,0,1);
};



// Open/close all nodes

dTree.prototype.openAll = function() {
    
	this.oAll(true);

};

dTree.prototype.closeAll = function() {

	this.oAll(false);

};



// Outputs the tree to the page

dTree.prototype.toString = function() {
    var str;     
	    str = '<div class="dtree dtree_scroll" style="max-height:'+this.min_height+'px;_height:'+this.min_height+'px;">\n';
	if (document.getElementById) {

		if (this.config.useCookies) this.selectedNode = this.getSelected();

		str += this.addNode(this.root);
		
	} else str += 'Browser not supported.';

	str += '</div>';

	if (!this.selectedFound) this.selectedNode = null;

	this.completed = true;

	return str;

};

// Creates the tree structure

dTree.prototype.addNode = function(pNode) {

	var str = '';

	var n=0;

	if (this.config.inOrder) n = pNode._ai;

	for (n; n<this.aNodes.length; n++) {

		if (this.aNodes[n].pid == pNode.id) {

			var cn = this.aNodes[n];

			cn._p = pNode;

			cn._ai = n;

			this.setCS(cn);

			if (!cn.target && this.config.target) cn.target = this.config.target;

			if (cn._hc && !cn._io && this.config.useCookies) cn._io = this.isOpen(cn.id);

			if (!this.config.folderLinks && cn._hc) cn.url = null;

			if (this.config.useSelection && cn.id == this.selectedNode && !this.selectedFound) {

					cn._is = true;

					this.selectedNode = n;

					this.selectedFound = true;

			}

			str += this.node(cn, n);

			if (cn._ls) break;

		}

	}

	return str;

};



// Creates the node icon, url and text

dTree.prototype.node = function(node, nodeId) {

	var str = '<div class="dTreeNode">' + this.indent(node, nodeId);

	if (this.config.useIcons) {

		if (!node.icon) node.icon = (this.root.id == node.pid) ? this.icon.root : ((node._hc) ? this.icon.folder : this.icon.node);

		if (!node.iconOpen) node.iconOpen = (node._hc) ? this.icon.folderOpen : this.icon.node;
        
		if (this.root.id == node.pid) {

			node.icon = this.icon.root;

			node.iconOpen = this.icon.root;

		}

		str += '<img id="i' + this.obj + nodeId + '" src="' + ((node._io) ? node.iconOpen : node.icon) + '" alt="" ' + (this.root.id == node.pid ?'class="root" ':'')+ ' />';

	}

	if (node.url) {

		str += '<a id="s' + this.obj + nodeId + '" class="' + ((this.config.useSelection) ? ((node._is ? 'nodeSel' : 'node')) : 'node') + '" href="' + node.url + '"';

		if (node.title) str += ' title="' + node.title + '"';

		if (node.target) str += ' target="' + node.target + '"';

		if (this.config.useStatusText) str += ' onmouseover="window.status=\'' + node.name + '\';return true;" onmouseout="window.status=\'\';return true;" ';

		if (this.config.useSelection && ((node._hc && this.config.folderLinks) || !node._hc))

			str += ' onclick="javascript: ' + this.obj + '.s(' + nodeId + ');"';

		str += '>';

	}

	else if ((!this.config.folderLinks || !node.url) && node._hc && node.pid != this.root.id)

		str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');" class="node">';

	str += node.name;

	if (node.url || ((!this.config.folderLinks || !node.url) && node._hc)) str += '</a>';

	str += '</div>';

	if (node._hc) {

		str += '<div id="d' + this.obj + nodeId + '" class="clip" style="display:' + ((this.root.id == node.pid || node._io) ? 'block' : 'none') + ';">';

		str += this.addNode(node);

		str += '</div>';

	}

	this.aIndent.pop();

	return str;

};



// Adds the empty and line icons

dTree.prototype.indent = function(node, nodeId) {

	var str = '';

	if (this.root.id != node.pid) {

		for (var n=0; n<this.aIndent.length; n++)

			str += '<img src="' + ( (this.aIndent[n] == 1 && this.config.useLines) ? this.icon.line : this.icon.empty ) + '" alt="" />';

		(node._ls) ? this.aIndent.push(0) : this.aIndent.push(1);

		if (node._hc) {

			str += '<a href="javascript: ' + this.obj + '.o(' + nodeId + ');"><img id="j' + this.obj + nodeId + '" src="';

			if (!this.config.useLines) str += (node._io) ? this.icon.nlMinus : this.icon.nlPlus;

			else str += ( (node._io) ? ((node._ls && this.config.useLines) ? this.icon.minusBottom : this.icon.minus) : ((node._ls && this.config.useLines) ? this.icon.plusBottom : this.icon.plus ) );

			str += '" alt="" /></a>';

		} else str += '<img src="' + ( (this.config.useLines) ? ((node._ls) ? this.icon.joinBottom : this.icon.join ) : this.icon.empty) + '" alt="" />';

	}

	return str;

};



// Checks if a node has any children and if it is the last sibling

dTree.prototype.setCS = function(node) {

	var lastId;

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n].pid == node.id) node._hc = true;

		if (this.aNodes[n].pid == node.pid) lastId = this.aNodes[n].id;

	}

	if (lastId==node.id) node._ls = true;

};



// Returns the selected node

dTree.prototype.getSelected = function() {

	var sn = this.getCookie('cs' + this.obj);

	return (sn) ? sn : null;

};



// Highlights the selected node

dTree.prototype.s = function(id) {

	if (!this.config.useSelection) return;

	var cn = this.aNodes[id];

	if (cn._hc && !this.config.folderLinks) return;

	if (this.selectedNode != id) {

		if (this.selectedNode || this.selectedNode==0) {

			eOld = document.getElementById("s" + this.obj + this.selectedNode);

			eOld.className = "node";

		}

		eNew = document.getElementById("s" + this.obj + id);

		eNew.className = "nodeSel";

		this.selectedNode = id;

		if (this.config.useCookies) this.setCookie('cs' + this.obj, cn.id);

	}

};



// Toggle Open or close

dTree.prototype.o = function(id) {

	var cn = this.aNodes[id];

	this.nodeStatus(!cn._io, id, cn._ls);

	cn._io = !cn._io;

	if (this.config.closeSameLevel) this.closeLevel(cn);

	if (this.config.useCookies) this.updateCookie();
    if(!cn.hasRead && this.is_ajax)
    {
        SetGetAllStyle(this.obj,this.divAllID,false);
        for(var i=0;i<this.aNodes.length;i++)
        {
            if (cn.id!=this.aNodes[i].id&&!this.aNodes[i].hasRead&&this.aNodes[i]._io) {
                return;//one to one load the nodes children
            }
        }
        a(this.object_id,this.ajax_url+"&folder="+cn.code,'',"get",EndGetTree,true,[this,id]);         
    }
};
function SetGetAllStyle(treeID,divAllID,enable) {
    if (divAllID==null||divAllID==''||divAllID=='undefined') {
        return;
    }
    var obs=document.getElementById(divAllID).getElementsByTagName('a');
    var hrefOpen,hrefClose;
    var color;
    if (enable) {
        hrefOpen='javascript:'+treeID+".openAll();";
        hrefClose='javascript:'+treeID+".closeAll();";
        //color="#205AA7";
    }
    else
    {
        hrefOpen='javascript:;';
        hrefClose='javascript:;';
        //color="#BFBFBF";
    }
    for(var i=0;i<obs.length;i++)
    {
        (i==0)? obs[i].href=hrefOpen:hrefClose;            
        obs[i].style.color=color;
    }

}
function EndGetTree(content,objId,args)
{
	var aNodesNew=[];
	var index=0;
	var dtInstance=args[0];
	var pnodeid=args[1];
	var newpnodeid=pnodeid;
	//var ancernodeid=dtInstance.aNodes[pnodeid].pid;
	var needProcess=false;
	var pIndex=0;
	for(var j=0;j<dtInstance.aNodes.length;j++)
	{
	    
	    if(dtInstance.aNodes[j].url=='loading' && dtInstance.aNodes[j].pid==pnodeid)
	    {	        
	        needProcess=true;
	        pIndex=index;
	    }
	    else
	    {
	        if(dtInstance.aNodes[j].id==pnodeid)
	        {
	            dtInstance.aNodes[j].hasRead=true;
	            //ancernodeid=dtInstance.aNodes[i].pid;
	        }
	        aNodesNew[index]=dtInstance.aNodes[j];
	        index++;
	    }
	}
	var chNode=[];index=0;
	if(needProcess)
	{
	    for(i=pIndex;i<aNodesNew.length;i++)
	    {
            aNodesNew[i].id--;
            if (aNodesNew[i].pid>=pIndex) {
                aNodesNew[i].pid--;
            }
        }
	}		
    dtInstance.aNodes=aNodesNew;    
    var js=eval(content);
    for(var i=0;i<js.length;i++)
    {//        
        dtInstance.add(dtInstance.aNodes.length,newpnodeid,js[i].name,js[i].url,js[i].title,null,null,null,null,js[i].code,js[i].isParent,js[i].hasRead);
    }
    //oo.add(oo.aNodes.length,nodeid,'Fare','javascript:GetLink(\'\',\'\')');
    //oo.add(oo.aNodes.length,nodeid,'AD','javascript:GetLink(\'AD Fare\');','');
    document.getElementById(objId).innerHTML=dtInstance.toString();
	SetGetAllStyle(dtInstance.obj,dtInstance.divAllID,true);
    for(var i=0;i<dtInstance.aNodes.length;i++)
    {
       
        if((dtInstance.is_ajax && dtInstance.aNodes[i].id!=0 && dtInstance.aNodes[i].isParent&&dtInstance.aNodes[i]._io==true && dtInstance.aNodes[i].hasRead==false) || (dtInstance._ol==true && dtInstance.aNodes[i]._io==false)||(dtInstance.aNodes[i]._io==true&&!dtInstance.aNodes[i].hasRead))
        {
            SetGetAllStyle(dtInstance.obj,dtInstance.divAllID,false);
            dtInstance.aNodes[i].hasRead=true;
            dtInstance.aNodes[i]._io=true;
            a(dtInstance.object_id,dtInstance.ajax_url+"&folder="+dtInstance.aNodes[i].code,'',"get",EndGetTree,true,[dtInstance,dtInstance.aNodes[i].id]);
            break;         
        }
        
    }    
}


// Open or close all nodes

dTree.prototype.oAll = function(status) {
    if (this.is_ajax) 
    {
        for (var n=0; n<this.aNodes.length; n++)
         {
            if(status==true)
            {
                if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id && this.aNodes[n]._io==false && !this.aNodes[n].hasRead) 
                {
                    this.aNodes[n].hasRead=true;
                    a(this.object_id,this.ajax_url+"&folder="+this.aNodes[n].code,'',"get",EndGetTree,true,[this,this.aNodes[n].id]);
                    this.nodeStatus(status, n, this.aNodes[n]._ls);
                    this.aNodes[n]._io = status;
                    this._ol=true;
                    break;
                }
                else if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id)
                {
                    this.nodeStatus(status, n, this.aNodes[n]._ls);
                    this.aNodes[n]._io = status;
                }
            }
            else
            {
                if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) 
                {
                    this.nodeStatus(status, n, this.aNodes[n]._ls);
                    this.aNodes[n]._io = status;
                }
            }
            
        }
    }
    else
    {
        for (var n=0; n<this.aNodes.length; n++) {

            if (this.aNodes[n]._hc && this.aNodes[n].pid != this.root.id) {

                this.nodeStatus(status, n, this.aNodes[n]._ls)

                this.aNodes[n]._io = status;

            }

        }       
	}
     if (this.config.useCookies) this.updateCookie(); 
};



// Opens the tree to a specific node

dTree.prototype.openTo = function(nId, bSelect, bFirst) {

	if (!bFirst) {

		for (var n=0; n<this.aNodes.length; n++) {

			if (this.aNodes[n].id == nId) {

				nId=n;

				break;

			}

		}

	}

	var cn=this.aNodes[nId];

	if (cn.pid==this.root.id || !cn._p) return;

	cn._io = true;

	cn._is = bSelect;

	if (this.completed && cn._hc) this.nodeStatus(true, cn._ai, cn._ls);

	if (this.completed && bSelect) this.s(cn._ai);

	else if (bSelect) this._sn=cn._ai;

	this.openTo(cn._p._ai, false, true);

};



// Closes all nodes on the same level as certain node

dTree.prototype.closeLevel = function(node) {

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n].pid == node.pid && this.aNodes[n].id != node.id && this.aNodes[n]._hc) {

			this.nodeStatus(false, n, this.aNodes[n]._ls);

			this.aNodes[n]._io = false;

			this.closeAllChildren(this.aNodes[n]);

		}

	}

}



// Closes all children of a node

dTree.prototype.closeAllChildren = function(node) {

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n].pid == node.id && this.aNodes[n]._hc) {

			if (this.aNodes[n]._io) this.nodeStatus(false, n, this.aNodes[n]._ls);

			this.aNodes[n]._io = false;

			this.closeAllChildren(this.aNodes[n]);		

		}

	}

}



// Change the status of a node(open or closed)

dTree.prototype.nodeStatus = function(status, id, bottom) {

	eDiv	= document.getElementById('d' + this.obj + id);

	eJoin	= document.getElementById('j' + this.obj + id);

	if (this.config.useIcons) {

		eIcon	= document.getElementById('i' + this.obj + id);

		eIcon.src = (status) ? this.aNodes[id].iconOpen : this.aNodes[id].icon;

	}

	eJoin.src = (this.config.useLines)?

	((status)?((bottom)?this.icon.minusBottom:this.icon.minus):((bottom)?this.icon.plusBottom:this.icon.plus)):

	((status)?this.icon.nlMinus:this.icon.nlPlus);

	eDiv.style.display = (status) ? 'block': 'none';

};





// [Cookie] Clears a cookie

dTree.prototype.clearCookie = function() {

	var now = new Date();

	var yesterday = new Date(now.getTime() - 1000 * 60 * 60 * 24);

	this.setCookie('co'+this.obj, 'cookieValue', yesterday);

	this.setCookie('cs'+this.obj, 'cookieValue', yesterday);

};



// [Cookie] Sets value in a cookie

dTree.prototype.setCookie = function(cookieName, cookieValue, expires, path, domain, secure) {

	document.cookie =

		escape(cookieName) + '=' + escape(cookieValue)

		+ (expires ? '; expires=' + expires.toGMTString() : '')

		+ (path ? '; path=' + path : '')

		+ (domain ? '; domain=' + domain : '')

		+ (secure ? '; secure' : '');

};



// [Cookie] Gets a value from a cookie

dTree.prototype.getCookie = function(cookieName) {

	var cookieValue = '';

	var posName = document.cookie.indexOf(escape(cookieName) + '=');

	if (posName != -1) {

		var posValue = posName + (escape(cookieName) + '=').length;

		var endPos = document.cookie.indexOf(';', posValue);

		if (endPos != -1) cookieValue = unescape(document.cookie.substring(posValue, endPos));

		else cookieValue = unescape(document.cookie.substring(posValue));

	}

	return (cookieValue);

};



// [Cookie] Returns ids of open nodes as a string

dTree.prototype.updateCookie = function() {

	var str = '';

	for (var n=0; n<this.aNodes.length; n++) {

		if (this.aNodes[n]._io && this.aNodes[n].pid != this.root.id) {

			if (str) str += '.';

			str += this.aNodes[n].id;

		}

	}

	this.setCookie('co' + this.obj, str);

};



// [Cookie] Checks if a node id is in a cookie

dTree.prototype.isOpen = function(id) {
	var aOpen = this.getCookie('co' + this.obj).split('.');
	for (var n=0; n<aOpen.length; n++)
		if (aOpen[n] == id) return true;
	return false;
};



// If Push and pop is not implemented by the browser

if (!Array.prototype.push) {
	Array.prototype.push = function array_push() {
		for(var i=0;i<arguments.length;i++)
			this[this.length]=arguments[i];
		return this.length;
	}
};

if (!Array.prototype.pop) {
	Array.prototype.pop = function array_pop() {
		lastElement = this[this.length-1];
		this.length = Math.max(this.length-1,0);
		return lastElement;
	}
};

function ShowFareListTree(div_id)
{
        eval(str);
}
//Load all method
//var str=" d = new dTree('d');		d.add(0,-1,'My example tree');		d.add(1,0,'Node 12313211','example01.html');		d.add(2,0,'Node 2','example01.html');	    document.getElementById('FareListTree').innerHTML=d;";

//ajax fetch method
// var d=new dTree('d','FareListTree',true,SerUrl+"Air/CallBack.aspx?type=2",SerUrl+"Air/CallBack.aspx?type=2",'dvAllPanel',500);